Lexington Quadrangle Virginia
COMMONWEALTH OF VIRGINIA DEPARTMENT OF CONSERVATION AND ECONOMIC DEVELOPMENT DIVISION OF MINERAL RESOURCES GEOLOGY OF THE LEXINGTON QUADRANGLE VIRGINIA KENNETH F. BICK REPORT OF INVESTIGATIONS I VIRGINIA DIVISION OF MINERAL RESOURCES Jomes L. Colver Commissioner of Minerol Resources ond Stote Geologist CHARLOTTESVI LLE, VI RGI N IA 1960 COMMONWEALTH OF VIRGINIA DEPARTMENT OF CONSERVATION AND ECONOMIC DEVELOPMENT DIVISION OF MINERAL RESOURCES GEOLOGY OF THE LEXINGTON QUADRANGLE VIRGINIA KENNETH F. BICK REPORT OF INVESTIGATIONS I VIRGINIA DIVISION OF MINERAL RESOURCES Jomes L. Colver Commissioner of Minerol Resources ond Stote Geologist CHARLOTTESVI LLE, VI RGI N IA 1960 Couuowwoer,rn op Vtncrwre DopenrupNr op Puncnesrs exo Supptv Rrculroxn 1960 DEPARTMENT OF CONSERVATION AND ECONOMIC DEVELOPMENT Richmond. Virginia MenvrN M. SurHnnr,eNn, Director BOARD Vrcron W. Stnwenr, Petersburg, Chairtnan G. Ar,vrn MessnNnunc, Hampton, Viee'Chairman A. Pr,urvrnr BmnNn, Orange C. S. Cenrnn, Bristol ANpnpw A. Fenr,pv, Danville WonrnrrvcroN FauLKNEn, Glasgow SvoNpv F. Slter,r,, Roanoke EnwrN H. Wrr,r,, Richmond Wrr,r,renr P. Wooor,nv. Norfolk CONTENTS Pece Abstract. '"*i"#:;;;;: . : ::: , : ::.:::::::::..::::::. :.::.::::::: ::,r Z Geography 8 Purpose. 4 Previous Work. Present Work and Acknowledgements. 5 Geologic Formations. 6 Introduction. 6 Precambrian System. 6 Pedlar formation 6 Precambrian and Cambrian Systems. 6 Discussion. 6 Swift Run formation 8 Catoctin greenstone. I Unieoiformation...... ......... I Hampton(Harpers)formation. .......... I Erwin (Antietam) quartzite. Cambrian System . I0 Shady (Tomstown) dolomite 10 Rome (Waynesboro) formation.... ll Elbrook formation. 12 Conococheague limestone. l3 Ordovician System. ......., 14 Chepultepeclimestone. .......... 14 Beekmantown formatron. 14 New Market limestone. 15 Lincolnshire limestone. 16 Edinburg formation. 16 Martinsburg shale... 17 SilurianSystem. ......... 18 Clinchsandstone..... .......... 18 Clinton formation.
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